feat(helper): Added If method

Signed-off-by: Flc゛ <four_leaf_clover@foxmail.com>

helper/helper.go

@@ -61,3 +61,11 @@ func Scan(src any, dest any) error {
 
 	return json.Unmarshal(bytes, dest)
 }
+
+func If[T any](condition bool, trueVal T, falseVal T) T {
+	if condition {
+		return trueVal
+	}
+
+	return falseVal
+}

helper/helper_test.go

@@ -330,3 +330,13 @@ func TestChainWithErr(t *testing.T) {
 	assert.Error(t, err)
 	assert.Nil(t, ctx)
 }
+
+func TestIf(t *testing.T) {
+	// if true
+	got := If(true, "foo", "bar")
+	assert.Equal(t, "foo", got)
+
+	// if false
+	got = If(false, "foo", "bar")
+	assert.Equal(t, "bar", got)
+}